:root{--bg:#f5fbff;--surface:#fff;--pale:#eaf7fc;--cyan:#25c8d1;--sky:#25b6e8;--blue:#1787db;--navy:#174b78;--dark:#173b60;--ink:#2d4359;--muted:#687f93;--line:#dcebf3;--footer:#123653;--radius:18px;--shadow:0 15px 45px rgba(24,89,137,.07)}
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@media(max-width:1100px){.desktop-nav{gap:10px}.header-row{gap:16px}.desktop-nav a{font-size:13px}.header-entry{padding:0 15px}}
@media(max-width:980px){.desktop-nav{display:none}.menu-toggle{display:flex}.header-row{justify-content:space-between;min-height:60px;gap:8px}.header-brand{position:absolute;left:50%;transform:translateX(-50%)}.brand img{max-height:30px;max-width:145px}.brand-symbol{width:30px;height:30px;font-size:21px;border-radius:9px}.brand-wordmark strong{font-size:16px}.brand-wordmark small{font-size:8px}.header-entry{margin-left:auto;height:40px;padding:0 13px;font-size:13px}.hero-grid{gap:24px}.aside-layout{grid-template-columns:1fr}.sticky-aside{position:static}.rule-tab{grid-template-columns:1fr}.rule-sidebar{position:static}.rule-sidebar a{display:inline-block;margin-right:5px}.footer-grid{gap:25px}}
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@media(max-width:390px){.brand-wordmark small{display:none}.brand-wordmark strong{font-size:14px}.header-entry{min-width:0;padding:0 10px;font-size:12px}.section-grid{grid-template-columns:1fr}.topic-card{min-height:0}.hero-actions{gap:9px}.main-btn,.outline-btn{padding:0 15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
